Departament de Química Física i Inorgànica

1. Grup de Catálisi Homogènia i Síntesi Orgánica Estereoselectiva 2001 SGR 00316 Prof. Sergio Castillón Síntesis Orgánica Departament de Química Análitica I Química Orgánica Prof. Carmen Claver Organometál.lics i Catàlisi Homogénia OMICH Departament de Química Física i Inorgànica

2. Metallic nanoparticles as catalyst -High activity and selectivity (large specific surface) “Probing Catalysis on the Nanoscale” Science & Technology, C&EN,September 27,2004 -Efficient catalysts for several proceses Hydrogenation Hydrosilylation Oxidation C-C coupling reactions -Activity in reactions where other catalysts are not active -Only one example in enantioselective catalyst Chem. Eur. J., 1997, 3, 1200 TetrahedronLett. 1998, 39, 1941

3. Metallic nanoparticles stabilized by organic ligands Stabilisation and reproducibility. Control of nanoparticles. Uniformity in particle size, composition and morphology. Systematic modification of the ligands: Effect on the properties of the nanoparticles. Organometallic complexes as starting materials.

4. NANOCATALYST • Metal Nanoparticles Stabilized by Organic Ligands. Applications in Catalysis • Synthesis of nanoparticles of transition metals stabilized by organic ligands: • -Perfluorinated ligands. • Application in hydrogenation reaction. • -Chiral ligands with carbohydrate backbone. • Application C-C coupling reactions

5. 1. Synthesis of nanoparticles of transition metals stabilized by organic ligands. Application in hydrogenation reaction -Synthesis of pyridine derivative perfluorinated ligands -Metal nanoparticles stabilization of different transition metals -Application as catalyst for arene hydrogenation in supercritic CO2

6. Influence of Organic Ligands on the Stabilization Organometallic Palladium Nanoparticles. E. Ramirez, S. Jansat, K. Philippot, P. Lecante, M. Gomez, A.Masdeu, B. Chaudret J. Organomet. Chem. 2004, (submitted)

7. 2. Metal nanoparticles stabilized by organic chiral ligands with carbohydrate backbone. -Design and synthesis of new carbohydrate ligands -Synthesis and characterization of metal nanoparticles (Rh,Pd, Ru) with new chiral ligands -Application in palladium catalyzed C-C bond reactions and other catalytic processes.

8. Synthesis of palladium nanoparticles L= A case for Enantioselective Allylic Alkylation Catalyzed by Palladium Nanoparticles S.Jansat,M. Gomez, K. Philippot, G.Muller, E. Guiu, C. Claver, S. Castillón, B. Chaudret J. Am. Chem. Soc., 2004, 126, 1593

9. Catalysis. Reaction of allylic alkylation -Homogeneous catalyst and nanocatalyst behave differently -First example of kinetic resolution with nanocatalyst J. Am. Chem. Soc., 2004, 126, 1593

10. Pd/L 1/0.1 R: 43 % L= X 100000 X 150000

11. Aurora Ruiz Elena Fernández Montse Diéguez Oscar Pàmies Yolanda Díaz Asymmetric Catalysis Dr. Carmen Claver Dr. Sergio Castillón Rosa Axet Ester Guiu Supercritic CO2 Dr. Anna M. Masdeu-Bultó Dr. Nuria Ruiz Marta Giménez Clara Tortosa Financial Support I+D- MCyT - Spain DGR- Generalitat Catalunya Acción Integrada-Picasso HF 2003 PICS Project- NANOMETCAT 2003 Dr. Bruno Chaudret LCC Dr. Karine Philippot LCC Dr. Susanna Jansat LCC Montse Gómez UB Guillermo Muller UB Isabelle Favier UB

12. Collaborations PICS Project- NANOMETCAT 2003 Universitat de Barcelona (Prof.G. Muller, Dra. M. Gómez) Universitat Autónoma de Barcelona (Prof. M. Moreno) ICIQ (Prof. M. Pericás) Université de Montpellier (Prof. M.Corriu) Université de Rennes ( Prof. A. Roucoux) Université de Strasbourg (Prof. M. Pfeiffer)